Best images from Aug. 15 at the Rio Olympics

Shaunae Miller, bottom, wins the women's 400-meter final against Allyson Felix after diving across the finish line.

France's Renaud Lavillenie competes in the pole vault.

Jack Laugher during the men's 3-meter springboard preliminary round.

Brazil guard Alex Garcia shoots a layup against Nigeria guard Michael Gbinije in a men's preliminary round Group B basketball game.

Xuechen Huang and Wenyan Sun (CHN) during the synchronized swimming women's preliminary round duet technical routine in the Rio 2016 Summer Olympic Games.

A general view during the men's 110-meter hurdles Round 1 heat in the rain.

Davit Chakvetadze (RUS) competes against Zhan Beleniuk (UKR) during the men's 85kg Greco-Roman wrestling gold medal match in the Rio 2016 Summer Olympic Games at Carioca Arena 2.

Glenn O'Shea (AUS), Sanghoon Park (KOR), and Elia Viviani (ITA) wreck during the men's omnium points 6/6 in the Rio 2016 Summer Olympic Games at Rio Olympic Velodrome.

A general view as competitors swim during the women's 10km in the Rio 2016 Summer Olympic Games at Fort Copacabana.

Bektemir Melikuziev (UZB, blue) fights Krishan Vikas (IND, red) in a men’s middleweight quarterfinal bout at Riocentro - Pavilion 6 during the Rio 2016 Summer Olympic Games.

Andrea Brewster (IRL) and Saskia Tidey (IRL) capsize during the women's sailing 49er FX open series in the Rio 2016 Summer Olympic Games at Marina da Gloria.

Yuan Cao (CHN) during the men's 3m preliminary springboard round in the Rio 2016 Summer Olympic Games at Maria Lenk Aquatics Centre.

Timo Boll (GER) serves the ball as he and his partner Bastian Steger (GER) compete against Maharu Yoshimura (JPN) and Koki Niwa (JPN) in a men's team table tennis semifinal match at Riocentro - Pavilion 3 during the Rio 2016 Summer Olympic Games.

Salwan Jasim Abbood Abbood (IRQ) competes during the men's 105kg in the Rio 2016 Summer Olympic Games at Riocentro - Pavilion 2.

Elie Konki (FRA, blue) fights Misha Aloian (RUS, red) in a men’s flyweight preliminary bout at Riocentro - Pavilion 6 during the Rio 2016 Summer Olympic Games.

Charlotte Dujardin of Great Britain rides Valegro during dressage individual grand prix freestyle competition in the Rio 2016 Summer Olympic Games at Olympic Equestrian Centre.

USA players leave the field after losing 2-1 to Germany during a women's hockey quarterfinal match in the Rio 2016 Summer Olympic Games at Olympic Hockey Centre.

A general view of weights prior to the men's 105kg in the Rio 2016 Summer Olympic Games at Riocentro - Pavilion 2.

Nigeria forward Al-Farouq Aminu, right, loses control of the ball as he drives against Brazil guard Leandro Barbosa in a men's preliminary round Group B basketball game at Carioca Arena 1 during the Rio 2016 Summer Olympic Games.

Steffen Peters of the United States rides Legolas 92 during dressage individual grand prix freestyle competition in the Rio 2016 Summer Olympic Games at Olympic Equestrian Centre.

Arthur Zanetti of Brazil competes during the men's rings finals in the Rio 2016 Summer Olympic Games at Rio Olympic Arena.

Competitors paddle during women's kayak 200-meter single semifinal during canoe sprint competition in the Rio 2016 Summer Olympic Games at Lagoa Stadium.

A general view as competitors swim during the women's 10-kilometer race in the Rio 2016 Summer Olympic Games at Fort Copacabana.

Anna Knauer of Germany, right, and Allison Beveridge of Canada crash during the women's omnium scratch race 1/6 in the Rio 2016 Summer Olympic Games at Rio Olympic Velodrome.

Zhan Beleniuk of Ukraine competes against Javid Hamzatau of Belarus during the men's 130kg Greco-Roman wrestling semifinals in the Rio 2016 Summer Olympic Games at Carioca Arena 2.

Melissa Gonzalez of the United States passes the ball against Lisa Schutze of Germany during a women's hockey quarterfinal match in the Rio 2016 Summer Olympic Games at Olympic Hockey Centre.

Deanna Price of United States competes in the women's hammer throw athletics event at Estadio Olimpico Joao Havelange during the Rio 2016 Summer Olympic Games.

Antonio Vargas of the United States throws a punch against Shakhobidin Zoirov of Uzbekistan in a men's fly preliminary bout at Riocentro - Pavilion 6 during the Rio 2016 Summer Olympic Games.

Martin Fuksa of the Czech Republic competes during the men's canoe single 1000 sprint semifinal competition in the Rio 2016 Summer Olympic Games at Lagoa Stadium.

Sharon van Rouwendaal of the Netherlands celebrates after winning a gold medal during the women's 10-kilometer swim in the Rio 2016 Summer Olympic Games at Fort Copacabana.

Mengyu Yu and Yihan Zhou of Singapore compete against Shiwen Liu and Ning Ding of China during the women's team semifinals in the Rio 2016 Summer Olympic Games at Riocentro - Pavilion 3.

Emma Coburn celebrates the bronze medal in the women's 3000 steeplechase.

Kristina Vogel of Germany leads and Natasha Hansen of New Zealand compete during the women's sprint 1/8 finals in the Rio 2016 Summer Olympic Games at Rio Olympic Velodrome.

Mira Potkonen of Finland celebrates after beating Katie Taylor of Ireland in their women’s light quarterfinal bout at Riocentro - Pavilion 6 during the Rio 2016 Summer Olympic Games.

A general view during canoe sprint competition in the Rio 2016 Summer Olympic Games at Lagoa Stadium.

Nikita Pablo and Rose Stackpole of Australia compete during the synchronized swimming women's preliminary round duet technical routine in the Rio 2016 Summer Olympic Games at Maria Lenk Aquatics Centre.

Hillary Bor of the United States runs during the men's 3000 steeplechase preliminaries in the Rio 2016 Summer Olympic Games at Estadio Olimpico Joao Havelange.

Xiaoxia Li of China competes during the women's semifinals in the Rio 2016 Summer Olympic Games at Riocentro - Pavilion 3.

Christian Taylor of United States competes in the men's triple jump athletics event at Estadio Olimpico Joao Havelange during the Rio 2016 Summer Olympic Games.

Ramonov of Kyrgyzstan and Sergey Semenov of Russia compete during the men's 130kg Greco-Roman wrestling qualifications in the Rio 2016 Summer Olympic Games at Carioca Arena 2.

Nan Zhang and Haifeng Fu of China celebrate after beating Gi Jung Kim and Sa Rang Kim of South Korea in a men's badminton doubles match at Riocentro - Pavilion 4 during the Rio 2016 Summer Olympic Games.